[PATCH] D24956: [SelectionDAG] Add expansion and promotion of [US]MUL_LOHI

[Nicolai Hähnle via llvm-commits]

nhaehnle updated this revision to Diff 73677.
nhaehnle marked 4 inline comments as done.
nhaehnle added a comment.

Thank you for taking a look. This patch should address all your comments,
plus I'm adding a guard against incorrectly using the known bits
optimizations with vector types.


https://reviews.llvm.org/D24956

Files:
  include/llvm/Target/TargetLowering.h
  lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
  lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
  lib/CodeGen/SelectionDAG/TargetLowering.cpp
  lib/Target/AMDGPU/AMDGPUISelLowering.cpp
  lib/Target/AMDGPU/AMDGPUISelLowering.h
  lib/Target/BPF/BPFISelLowering.cpp
  lib/Target/BPF/BPFISelLowering.h
  lib/Target/PowerPC/PPCISelLowering.cpp
  lib/Target/PowerPC/PPCISelLowering.h
  lib/Target/Sparc/SparcISelLowering.cpp
  lib/Target/Sparc/SparcISelLowering.h
  lib/Target/X86/X86ISelLowering.cpp
  lib/Target/X86/X86ISelLowering.h

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